石油、天然气工业用螺柱连接阀盖的钢制闸阀 k系数表
闸阀的公称压力
PN
系数 k
16~20
1.25
25~50
1.00
63~100
0.91
150﹑160
250﹑260
0.97
420
Your closest 开云手机登录界面-开云(中国) is
Return to 开云手机登录界面-开云(中国) International continue to 开云手机登录界面-开云(中国)
This region has not yet joined our new website. You will now continue to the existing site for 开云手机登录界面-开云(中国)
Continue